Cheapest return flights from Ontario to Oslo in May from $1182

Best time to book flights for Ontario (ONT) to Oslo (OSL) flights at AirHint

AirHint found the following cheapest return flights from Ontario (ONT) to Oslo (OSL) in May 2025 (see full year).

Return flights

21 May - 28 May British Airways
21 May - 27 May British Airways
20 May - 26 May British Airways
19 May - 25 May British Airways
20 May - 27 May British Airways
27 May - 10 Jun British Airways
29 May - 04 Jun British Airways
28 May - 04 Jun British Airways
19 May - 22 May British Airways
27 May - 03 Jun British Airways
26 May - 01 Jun British Airways
26 May - 02 Jun British Airways
28 May - 03 Jun British Airways
09 May - 16 May British Airways
29 May - 01 Jun British Airways
12 May - 19 May British Airways
25 May - 01 Jun British Airways
23 May - 30 May British Airways
30 May - 06 Jun British Airways
24 May - 31 May British Airways

Also check the deals for one-way flights from Ontario to Oslo in May.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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